Solar lamp



FIG. 1 is a first perspective view of the solar lamp showing the claimed new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown on the drawings represent portions of the solar lamp that form no part of the claimed design. 

CLAIM The ornamental design for the solar lamp, as shown and described. 